Lemnaceae S. F. Gray Lemna minor ? S. Vietnam, Prov. Kontum. Secondary evegreen dry forest (rich in primary elements) at 1300-1400 m alt. on W slope of Ngoc Linh mountain system above Ngoc Linh village. On very wet strong rocky cliffs in shadow place along stream. VH 1199 04.04.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev